結果
| 問題 |
No.2242 Cities and Teleporters
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-15 22:11:02 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,466 bytes |
| コンパイル時間 | 294 ms |
| コンパイル使用メモリ | 82,016 KB |
| 実行使用メモリ | 53,944 KB |
| 最終ジャッジ日時 | 2025-04-15 22:12:39 |
| 合計ジャッジ時間 | 6,726 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 5 TLE * 1 -- * 20 |
ソースコード
import sys
import bisect
def main():
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
H = list(map(int, input[ptr:ptr+N]))
ptr += N
T = list(map(int, input[ptr:ptr+N]))
ptr += N
Q = int(input[ptr])
ptr += 1
queries = []
for _ in range(Q):
A = int(input[ptr])-1
B = int(input[ptr+1])-1
queries.append((A, B))
ptr += 2
sorted_h = sorted(zip(H, T), key=lambda x: x[0])
H_sorted = [x[0] for x in sorted_h]
T_sorted = [x[1] for x in sorted_h]
max1 = []
count_max = []
max2 = []
current_max = -float('inf')
current_count = 0
current_max2 = -float('inf')
for t in T_sorted:
if t > current_max:
current_max2 = current_max
current_max = t
current_count = 1
elif t == current_max:
current_count += 1
else:
if t > current_max2:
current_max2 = t
max1.append(current_max)
count_max.append(current_count)
max2.append(current_max2)
for A, B in queries:
H_B = H[B]
T_A = T[A]
if H_B <= T_A:
print(1)
continue
i = bisect.bisect_right(H_sorted, T_A) - 1
if i < 0:
print(-1)
continue
max_all = max1[i]
count = count_max[i]
if H[A] <= T_A:
if T[A] == max_all:
if count > 1:
new_max = max_all
else:
new_max = max2[i] if i >= 0 else -float('inf')
else:
new_max = max_all
else:
new_max = max_all
if new_max <= T_A:
print(-1)
continue
current_max_val = new_max
step_count = 1
if current_max_val >= H_B:
print(2)
continue
while True:
i_new = bisect.bisect_right(H_sorted, current_max_val) - 1
if i_new < 0:
new_max_val = -float('inf')
else:
new_max_val = max1[i_new]
if new_max_val == current_max_val:
break
step_count += 1
current_max_val = new_max_val
if current_max_val >= H_B:
break
if current_max_val >= H_B:
print(step_count + 1)
else:
print(-1)
if __name__ == "__main__":
main()
lam6er